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12033321222 = 23131071441807
BaseRepresentation
bin10110011010011110…
…11110100100000110
31011001121211001110210
423031033132210012
5144121012234342
65310015500250
7604124354106
oct131517364406
934047731423
1012033321222
11511555037a
1223b9b27686
13119a030420
14822213206
154a665379c
hex2cd3de906

12033321222 has 32 divisors (see below), whose sum is σ = 26160164352. Its totient is φ = 3667954464.

The previous prime is 12033321211. The next prime is 12033321227. The reversal of 12033321222 is 22212333021.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12033321227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 712558 + ... + 729249.

It is an arithmetic number, because the mean of its divisors is an integer number (817505136).

Almost surely, 212033321222 is an apocalyptic number.

12033321222 is an abundant number, since it is smaller than the sum of its proper divisors (14126843130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12033321222 is a wasteful number, since it uses less digits than its factorization.

12033321222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1441932.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 12033321222 its reverse (22212333021), we get a palindrome (34245654243).

The spelling of 12033321222 in words is "twelve billion, thirty-three million, three hundred twenty-one thousand, two hundred twenty-two".

Divisors: 1 2 3 6 13 26 39 78 107 214 321 642 1391 2782 4173 8346 1441807 2883614 4325421 8650842 18743491 37486982 56230473 112460946 154273349 308546698 462820047 925640094 2005553537 4011107074 6016660611 12033321222